ASN Wikibase Occurrence # 354349
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| Date: | Tuesday 9 June 1998 |
| Time: | 13:00 LT |
| Type: |  Cessna 185 |
| Owner/operator: | Hudson Air Service, Inc. |
| Registration: | N9855X |
| MSN: | 185-0055 |
| Year of manufacture: | 1961 |
| Total airframe hrs: | 10146 hours |
| Engine model: | Continental IO-520D-24 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Chickaloon, AK -
 United States of America
|
| Phase: | Approach |
| Nature: | Unknown |
| Departure airport: | Talkeetna, AK (TKA) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was landing at an elevation of 6900 feet msl on the Matanuska Glacier. He said that while on short final for landing, the engine lost power. Attempts to restore engine power were unsuccessful, and the airplane landed hard, about 500 feet short of the intended touch down point. The airplane's fuselage sustained substantial damage. He said that after landing and while securing the cockpit controls, he discovered that the fuel boost pump switch was placed in the 'high boost' position. The Cessna Pilot's Operating Handbook, stated, in part: 'If the engine-driven fuel pump switch is placed in the ON position, a fuel/air ratio considerably richer than best power is produced unless the mixture is leaned.'
Probable Cause: The pilot's inadvertent activation of the fuel boost pump selector switch during final approach, which resulted in an overly rich mixture and subsequent loss of engine power.
Accident investigation:
 |
|
Sources:
NTSB ANC98LA067
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 11-Mar-2024 13:20 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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